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See NASA’s huge SLS lunar rocket launches (and closes early)

The latest SLS Green Run tests are being conducted at NASA’s Stenis Space Center in Mississippi.


One of NASA’s main goals for 2021 is to launch Artemis I, an unwrapped lunar mission designed to show that the Orion spacecraft and the Space Space Launch System rocket can safely send people to our lunar neighbor. But first, NASA made some noise with a fiery SLS test on Saturday.

NASA was nearing the end of the Green Run test series, which puts the main stage through its steps before actually launching this rock somewhere in the future. The agency describes the main stage as the “backbone of the SLS missile”


The eighth part of the test series was set for Saturday, when NASA initiated an exciting hot fire. NASA television provided a live broadcast showing the four huge engines that ignited. You can preview the action below.

The test was designed to simulate the launch conditions of RS-25 engines and was to last up to eight minutes. NASA completed the test early, just over a minute after the main event. The engines looked safely off.

“Teams are evaluating data on early engine shutdowns,” NASA wrote shortly after the test.

Test fires are a lot of fun, as we saw last year when SLS booster illuminates the Utah desert and turned the sand into glass. Despite the shortness of testing in the main stage, it was quite a sight to see the exciting power of the raging engines.

SLS noticed delays during its development, but is still at the heart of NASA’s ambitious plans to bring humans back to the moon by 2024 through the Artemis program. Report from last year questions that date based on program costs, SLS failures and the impact on planning by coronavirus pandemic.

The SLS Green Run test took place at the Stennis Space Center in Mississippi and came after NASA overcame an unexpected problem with a previous test, a wet dress rehearsal that “marks the first time cryogenic or supercold liquid fuel has been fully charged and drained from two huge tanks. at the main stage of SLS. “

The wet dress rehearsal also ended early, but NASA traced the issue to a time issue that was later corrected. After analyzing what happened to this latest test, NASA hopes it will still be on track for a possible launch of Artemis I in late 2021.

Each successful test puts the moon a little closer to human hands.

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